diff --git a/src/DbHelper.php b/src/DbHelper.php
index 35ca04f..a83c8c3 100644
--- a/src/DbHelper.php
+++ b/src/DbHelper.php
@@ -4,6 +4,7 @@
 
 namespace Yiisoft\Translator\Message\Db;
 
+use RuntimeException;
 use Throwable;
 use Yiisoft\Db\Command\CommandInterface;
 use Yiisoft\Db\Connection\ConnectionInterface;
@@ -31,11 +32,10 @@ public static function ensureTables(
         $tableRawNameSourceMessage = $schema->getRawTableName($tableSourceMessage);
         $tableRawNameMessage = $schema->getRawTableName($tableMessage);
 
-        if (
-            $schema->getTableSchema($tableSourceMessage, true) !== null &&
-            $schema->getTableSchema($tableMessage, true) !== null
-        ) {
-            return;
+        if (self::hasTable($db, $tableSourceMessage) && self::hasTable($db, $tableMessage)) {
+            throw new RuntimeException(
+                "Table '{$tableRawNameSourceMessage}' and '{$tableRawNameMessage}' already exists."
+            );
         }
 
         if ($driverName === 'sqlite') {
@@ -75,7 +75,7 @@ public static function dropTables(
         $tableRawNameMessage = $schema->getRawTableName($tableMessage);
 
         // drop sequence for table `source_message` and `message`.
-        if ($db->getTableSchema($tableMessage, true) !== null) {
+        if (self::hasTable($db, $tableMessage)) {
             // drop foreign key for table `message`.
             if ($driverName !== 'sqlite' && $schema->getTableForeignKeys($tableMessage, true) !== []) {
                 $command->dropForeignKey(
@@ -85,7 +85,7 @@ public static function dropTables(
             }
 
             // drop table `message`.
-            $command->dropTable($tableMessage)->execute();
+            $command->dropTable($tableRawNameMessage)->execute();
 
             if ($driverName === 'oci') {
                 $command->setSql(
@@ -96,9 +96,9 @@ public static function dropTables(
             }
         }
 
-        if ($db->getTableSchema($tableSourceMessage, true) !== null) {
+        if (self::hasTable($db, $tableSourceMessage)) {
             // drop table `source_message`.
-            $command->dropTable($tableSourceMessage)->execute();
+            $command->dropTable($tableRawNameSourceMessage)->execute();
 
             if ($driverName === 'oci') {
                 $command->setSql(
@@ -332,4 +332,9 @@ private static function createSchemaSqlite(
         // create index for table `source_message` and `message`.
         self::createIndexForMigration($command, $tableRawNameSourceMessage, $tableRawNameMessage);
     }
+
+    private static function hasTable(ConnectionInterface $db, string $table): bool
+    {
+        return $db->getTableSchema($table, true) !== null;
+    }
 }
diff --git a/tests/Common/AbstractDbHelperTest.php b/tests/Common/AbstractDbHelperTest.php
index 0159ba4..5065551 100644
--- a/tests/Common/AbstractDbHelperTest.php
+++ b/tests/Common/AbstractDbHelperTest.php
@@ -5,6 +5,7 @@
 namespace Yiisoft\Translator\Message\Db\Tests\Common;
 
 use PHPUnit\Framework\TestCase;
+use RuntimeException;
 use Throwable;
 use Yiisoft\Db\Connection\ConnectionInterface;
 use Yiisoft\Db\Exception\Exception;
@@ -99,20 +100,22 @@ public function testEnsureTableWithCustomTableName(): void
      */
     public function testEnsureTableExist(): void
     {
-        DbHelper::ensureTables($this->db);
+        $prefix = $this->db->getTablePrefix();
 
-        $this->assertNotNull($this->db->getTableSchema('{{%source_message}}', true));
-        $this->assertNotNull($this->db->getTableSchema('{{%message}}', true));
+        try {
+            DbHelper::ensureTables($this->db);
+            DbHelper::ensureTables($this->db);
+        } catch (RuntimeException $e) {
+            $this->assertSame(
+                "Table '{$prefix}source_message' and '{$prefix}message' already exists.",
+                $e->getMessage()
+            );
 
-        DbHelper::ensureTables($this->db);
+            DbHelper::dropTables($this->db);
 
-        $this->assertNotNull($this->db->getTableSchema('{{%source_message}}', true));
-        $this->assertNotNull($this->db->getTableSchema('{{%message}}', true));
-
-        DbHelper::dropTables($this->db);
-
-        $this->assertNull($this->db->getTableSchema('{{%source_message}}', true));
-        $this->assertNull($this->db->getTableSchema('{{%message}}', true));
+            $this->assertNull($this->db->getTableSchema('{{%source_message}}', true));
+            $this->assertNull($this->db->getTableSchema('{{%message}}', true));
+        }
     }
 
     /**
@@ -122,20 +125,22 @@ public function testEnsureTableExist(): void
      */
     public function testEnsureTableExistWithCustomTableName(): void
     {
-        DbHelper::ensureTables($this->db, '{{%test_source_message}}', '{{%test_message}}');
+        $prefix = $this->db->getTablePrefix();
 
-        $this->assertNotNull($this->db->getTableSchema('{{%test_source_message}}', true));
-        $this->assertNotNull($this->db->getTableSchema('{{%test_message}}', true));
+        try {
+            DbHelper::ensureTables($this->db, '{{%test_source_message}}', '{{%test_message}}');
+            DbHelper::ensureTables($this->db, '{{%test_source_message}}', '{{%test_message}}');
+        } catch (RuntimeException $e) {
+            $this->assertSame(
+                "Table '{$prefix}test_source_message' and '{$prefix}test_message' already exists.",
+                $e->getMessage()
+            );
 
-        DbHelper::ensureTables($this->db, '{{%test_source_message}}', '{{%test_message}}');
+            DbHelper::dropTables($this->db, '{{%test_source_message}}', '{{%test_message}}');
 
-        $this->assertNotNull($this->db->getTableSchema('{{%test_source_message}}', true));
-        $this->assertNotNull($this->db->getTableSchema('{{%test_message}}', true));
-
-        DbHelper::dropTables($this->db, '{{%test_source_message}}', '{{%test_message}}');
-
-        $this->assertNull($this->db->getTableSchema('{{%test_source_message}}', true));
-        $this->assertNull($this->db->getTableSchema('{{%test_message}}', true));
+            $this->assertNull($this->db->getTableSchema('{{%test_source_message}}', true));
+            $this->assertNull($this->db->getTableSchema('{{%test_message}}', true));
+        }
     }
 
     /**